<!DOCTYPE html>
<!-- JDR: for testing -->
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="initial-scale=1, maximum-scale=1">
  <title>Cover</title>

  <link rel="stylesheet" href="css/cover.css">

  <style>
  #cover {
      width:  500px;
      height: 500px;
      margin-left:  auto;
      margin-right: auto;
  }
  </style>
</head>
<body>
    <div id="cover">
    </div>

  <script src="cover.js"></script>

</body>
</html>
